What is one part of the DNA molecule that changes?

What Is One Part Of The DNA Molecule That Changes?

Answers

Answer 1
The base or nitrogenous base.

Related Questions

When comparing two species, which type of body structure indicates evolutionary relatedness?.

Answers

Homologous structure is type of body structure that indicates evolutionary relatedness.

What is Homologous structures?

Homologous structures refers to body structures like organ or bone that have similar underlying anatomical features that exist in different animals. These structures entails that different animals descend from a common ancestor and serve as evidence of evolution.

Learn more about homologous structures here.

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a mitosis inhibitor is a medication that is desighned to prevent mitosis in certain cells why would these be helpful in the treatment of tumors?

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Tumors occur when cells uncontrollably divide/go through mitosis. If a mitosis inhibitor is given, then the cells won't be able to divide, hence stopping the tumor from spreading.

Hope this helps :)

60 points

Which of the gollowing is indicated by the arrow in the image

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Antegen

Why? Because there is a antibody binding with the antegen

up, are then matched with their partner ar
chromosomes). Once all the chromosom
chromosome can be found and the exac
Pre-Lab Questions:
1. What is nondisjunction?
2. What is karyotyping?
3. How many chromosomes does an indi

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While stopping to get gas in The Valley of Ashes, Nick notices the eyes of whom staring down at them? (hint: there are 2 pairs of eyes watching)

The space that lies between the dura mater and the periosteum of the vertebrae, and houses areolar connective tissue, blood vessels, and adipose connective tissue is the ___________ space.

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The answer is the epidural space

A student is asked to draw a food web in which the same organism is a primary consumer as well as a secondary consumer. How should the organism be represented in the food web?.

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Answer:

The primary producers (grass, flowers, weeds) should be at the bottom because they are then eaten by primary consumers (rabbits, mice, squirrels). The secondary consumers would be on top (owls, eagles, hawks) because they eat the primary consumers.

Example:

Eagle

  ^

Mouse

  ^

Grass

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How does the haploid form of ulva switch to its diploid form?.

Answers

Gametophytes produce cells that undergo mitosis to produce gametes that fuse to form a zygote.

The haploid form of Ulva switches to the diploid form when gametophytes produce cells that undergo mitosis to produce gametes that fuse to form a zygote. Therefore, option D is correct.

What are gametophytes?

The sexual stage in the alternation of plant generations and some algae is called a gametophyte. This stage results in gametes that go through generational alternation. It produces the zygote from which sporophytes develop and is a haploid phase.

The gametophyte stage of life is the predominant one in bryophytes. The male and female gametes are produced by the gametophyte's antheridia and archegonia, respectively. Gametangia are all of these structures put together.

Thus, the haploid form of Ulva switches to the diploid form when gametophytes produce cells that undergo mitosis to produce gametes that fuse to form a zygote. Therefore, option D is correct.

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Your question is incomplete, most probably the full question is this:

How does the haploid form of Ulva "switch" to its diploid form?

A. Sporophytes undergo meiosis to produce spores that germinate into diploid adults.

B. Gametophytes produce cells that undergo meiosis and produce spores that germinate into diploid adults.

C. Sporophytes produce cells that undergo mitosis to produce gametes that fuse to form a zygote.

D. Gametophytes produce cells that undergo mitosis to produce gametes that fuse to form a zygote.

How could harm to one resource among the commons listed in part b cause harm in another part of the environment?

Answers

Answer:

Take a picture of what the problem is, because your question isn't clear

Explanation:

Not using complete sentences

For example, overfishing can harm fish populations, leading to imbalances in the food chain and harm to other species.

What are commons?

The commons, as a concept, refers to shared resources that are available to all members of a community or society. These resources can include things like air, water, land, and wildlife. When harm is caused to one of these resources, it can have a cascading effect on other parts of the environment.

For example, if pollution from a factory contaminates a river, it can harm the fish and other aquatic life that live in the river. This, in turn, can impact the local ecosystem and reduce the biodiversity of the area. The contaminated water may also be used for agriculture, leading to contaminated crops and potentially harming human health.

Similarly, deforestation can lead to soil erosion, which can cause sedimentation in rivers and harm aquatic life. It can also contribute to climate change by reducing the amount of carbon that is absorbed by trees and released back into the atmosphere.

In summary, harm to one resource among the commons can have far-reaching effects on other parts of the environment, highlighting the importance of managing these resources sustainably.

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Which type of vessels have a pulset A capillaries B lymph vessels C veins Darteries​

Answers

Answer:

D:Arteries

Explanation:

Arteries carry oxygenated blood away from the heart to the tissues of the body. Veins carry blood depleted of oxygen from the same tissues back to the heart. The arteries are the vessels with the "pulse," a rhythmic pushing of the blood in the heart followed by a refilling of the heart chamber.

If you know this help please !!

Answers

Answer:

shipping

Explanation:

Some invasive species obviously can't swim. Others cannot walk either. MOst are spread by human activity.

A. Shipping cause it makes more sense and i couldn’t agree more with what the other person answer Hope this helps.

What is the question that you are trying to answer? What is your hypothesis for this experiment? What methods are you using to test this hypothesis? Outline the steps of the procedure in full sentences. Section II: Data & Analysis What graphs would clearly represent the trends in your data? Your Student Guide includes information on which graphs to construct. Each graph should have the following: an appropriate title appropriate labels for each axis an appropriate scale for each axis the correct units for the data Complete a rough sketch of each graph.

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Explanation:

Give an experiment not a guide on how to write a lab report lol

Answer:

A line graph is often the most effective format for illustrating a relationship between two variables that are both changing. For example, time-series graphs can show patterns as time changes, like the unemployment rate over time.

Explanation:

To meet the definition of polyuria, the minimum daily output of urine is __________.

Answers

The minimum is 2.0L of urine

What would be the finite rate of increase for a population that has leveled off at its carrying capacity(K)? (Hint: if we assume carrying capacity is 149 and the population is at carrying capacity from T9-T12, calculate the finite rate of increase).

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For a  finite rate of increase for a population that has leveled off at its carrying capacity the finite rate of increase will be zero (zero), Because all of the available resources have been used.

What is Population?

Generally, a population is the total number of people who live in the same area. The population of a city is the number of people who live there.

In conclusion, After population has reached its carrying capacity, the finite rate of increase will be zero (zero). Because all of the available resources have been used, the ecosystem will not allow for growth.

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It is illegal to harm manta rays.

Answers

yes it’s illegal to do that

What human practice led Darwin towards the Theory of Natural Selection

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Dating, dating lead to it.

How would this hypothesis be different from a scientific law? Review the definitions of law and hypothesis to help you. (2 points)

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A hypothesis is a potential explanation of a narrow phenomenon; a scientific theory is an in-depth explanation that applies to a wide range of phenomena. A law is a statement about an observed phenomenon or a unifying concept, according to Kennesaw State University.

A circumpolar constellation can be seen ____________

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Answer:

Ursa Minor

Explanation:

List the types of enzymes made in the salivary glands, the stomach, the pancreas and the small intestine. ​

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Answer:

Lipase breaks down lipids, which are fats and oils, into glycerol and fatty acids.

Amylase. Amylase is produced mostly in the pancreas, but also in the salvary glands and small intestine. ...

Protease. Protease is produced in the stomach, pancreas, and small intestine. ...

Lipase.

Explanation:

Answer:

amylase, lipase, protease, and nuclease.

Explanation:

The main categories of enzymes are amylase, lipase, protease, and nuclease. Glands in the mouth, stomach, small intestine, and pancreas secrete some or all of these as food passes along the digestive tract so that it may be broken down and used by the body.

Think Critically On what single energy source do most energy
alternatives depend, either directly or indirectly?

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Answer:

The sun is the single energy source the most alternatives depend, either directly or indirectly.

how can we slow down sea level rise

Answers

Answer:

By reducing global warming

Explanation:

Rise in sea level happens because of the melting of north and south pole as the ice melts the sea level rises so it can be slowed if we reduce global warming

The statements below are steps of DNA replication. Rearrange the statements so they are in order with the first step at the top.
During S phase the two strands of the double helix are separated by enzymes.
The two copies of DNA with a complete set of genes separate from each other in anaphase of mitosis.
DNA polymerase proofreads each DNA strand.
Two DNA strands are synthesized that are complementary to each original strand.

Answers

During S phase the two strands of the double helix are separated by enzymes.

Two DNA strands are synthesized that are complementary to each original strand.

DNA polymerase proofreads each DNA strand.

The two copies of DNA with a complete set of genes separate from each other in the anaphase of mitosis.

HELP ME PLEASE!!!! answer the ones you know
What happens when each muscle contracts? Ex. Biceps = bends arm at the elbow
1) Deltoids =
2) Latissimus Dorsi =
3) Pectoralis Major =
4) Trapezius/Rhomboids =
5) Rectus Abdominis =
6) Erector Spinae =

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Answer:

For example, the biceps muscle, in the front of the upper arm, is a flexor, and the triceps, at the back of the upper arm, is an extensor. When you bend at your elbow, the biceps contracts. Then the biceps relaxes and the triceps contracts to straighten the elbow.

NO LINKS AND NO FAKE ANSWERS. Rather than push a heavy box from one room to another, a worker chooses to place the box on a wheeled cart. In terms of friction, explain why moving the box on the wheeled cart is easier than pushing.

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Answer:

The reason why that pushing something on a cart is easier than pushing it around without a cart is very simple actually. Pushing something on a cart is much easier because there is a much smaller act of friction. This results in a smaller strain on the body.

Explanation:

There isn't really a need for an explanation because it's that simple. I don't blame you for not knowing it though. People don't know everything.

Measure of hydration, which tests how quickly the skin returns to its normal position after being pinched

Answers

Answer:

Skin turgor

Explanation:

refers to how quickly your skin returns to its normal position after being pinched. It’s often used to check for dehydration in children and older adults.

pls help ill give brainlliest and 5 stars

Answers

lavasedimentationmagmasediment

Answer:

hot melted rock that flows on the earth's surface is lava

hot melted rock under earth's surface is magma

matter that settles at the bottom of a liquid is sediment

the process of settling or being deposited as sediment is sedimentation

:)

Explanation:

Mary loved having her goldfish tank in her office. She said watching the fish swim around was calming to her on stressful days. Mary thought that if 2 goldfish in her tank could make her less stressed then certainly 8 goldfish would be even better. After three days of having 8 goldfish in her tank, she noticed 5 of the fish began to sink to the bottom of the tank becoming less active than the remaining 3. A few days later the 5 sick fish died and the 3 remaining fish thrived. Use the data to help you choose three reasons the carrying capacity of the fish tank wasn’t able to accommodate all 8 goldfish.

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Answer: I think that the reason to this is because the oxygen abundance was too low, the competition for food and other resources was too high, so there could be fish the would be filtered out and be killed.

Explanation:

I need help ahhhhhhhhhh

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Answer:

C.B.A.D.The prophase is the first part of cell division, where the chromosomes become visible in the form of paired chromatids.The telophase is the final phase of cell division in which the chromosomes move to opposite ends, and nuclei are formed. Although this most relates to option D, option D relates more to the anaphase, which we will talk about in just a moment.The metaphase is the second phase, where the chromosomes all line up at the equator, and they attach to spindle fibers.The anaphase, which is the phase after metaphase, is extremely nessescary for cell division. This is the process in when the chromatids move toward opposite poles, allowing the spindle fibers to shorten. When this happens, the cell splits in two, forming the two daughter cells.

________________________________________________________

What have we learned?

We learned the four phases of mitosis, and what they do.

Questions related to the topic? Ask me in the comments box.

The complement cascade and its by-products contribute to:.

Answers

The complement cascade and its by-products contribute to

Both triggering inflammation and attracting phagocytes to sites of infection

According to the second law of thermodynamics, heat energy released by an organism is _____.

absorbed by plants for photosynthesis
used by another animal
gone forever
released into the environment and unusable

Answers

Answer:

released into the environment and unusable. (Entropy)

Explanation:

Answer: released into the environment and unusable

Explanation:

have a good day

A forest fire left many acres of dead trees and burned ground. Which of these is the first type of organism that will be found living in the center of the burned area? uirrels Grasses Cottontail rabbits Coyote ()​

Answers

After an episode of forest fire, the first type of organism likely to be found living in the center of the burned area would be grasses.

What is succession?

It is the gradual change to the community of plants and animals in an ecosystem until a stable community is reached.

Succession can be primary or secondary. Primary succession happens on newly colonized bare grounds of stones while secondary succession happens in an existing community after a period of disturbance such as wildfire.

A forest ravaged by fire will have all the animals dead or away for safety reasons. These animals may not come back until regrowth has reached a certain level.

However, propagules of grasses are often fire-resistant and even get stimulated by fire in most cases. Thus, the first type of organism to be found living in the burned area could be grasses.

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